281680852

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{109}}^1\times {\mathrm{919}}^1$

素因数の和:1088

約数の個数: 48

約数和(自身を含む): 538384000

約数和(自身を除く): 256703148

約数列:

[1, 2, 4, 19, 37, 38, 74, 76, 109, 148, 218, 436, 703, 919, 1406, 1838, 2071, 2812, 3676, 4033, 4142, 8066, 8284, 16132, 17461, 34003, 34922, 68006, 69844, 76627, 100171, 136012, 153254, 200342, 306508, 400684, 646057, 1292114, 1903249, 2584228, 3706327, 3806498, 7412654, 7612996, 14825308, 70420213, 140840426, 281680852]

約数ペア:

[(1, 281680852), (2, 140840426), (4, 70420213), (19, 14825308), (37, 7612996), (38, 7412654), (74, 3806498), (76, 3706327), (109, 2584228), (148, 1903249), (218, 1292114), (436, 646057), (703, 400684), (919, 306508), (1406, 200342), (1838, 153254), (2071, 136012), (2812, 100171), (3676, 76627), (4033, 69844), (4142, 68006), (8066, 34922), (8284, 34003), (16132, 17461)]